AWS::Comprehend::Flywheel - Amazon CloudFormation
SyntaxPropertiesReturn values
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AWS::Comprehend::Flywheel

A flywheel is an Amazon resource that orchestrates the ongoing training of a model for custom classification or custom entity recognition. You can create a flywheel to start with an existing trained model, or Comprehend can create and train a new model.

When you create the flywheel, Comprehend creates a data lake in your account. The data lake holds the training data and test data for all versions of the model.

To use a flywheel with an existing trained model, you specify the active model version. Comprehend copies the model's training data and test data into the flywheel's data lake.

To use the flywheel with a new model, you need to provide a dataset for training data (and optional test data) when you create the flywheel.

For more information about flywheels, see Flywheel overview in the Amazon Comprehend Developer Guide.

Syntax

To declare this entity in your Amazon CloudFormation template, use the following syntax:

JSON

{
  "Type" : "AWS::Comprehend::Flywheel",
  "Properties" : {
      "ActiveModelArn" : String,
      "DataAccessRoleArn" : String,
      "DataLakeS3Uri" : String,
      "DataSecurityConfig" : DataSecurityConfig,
      "FlywheelName" : String,
      "ModelType" : String,
      "Tags" : [ Tag, ... ],
      "TaskConfig" : TaskConfig
    }
}

YAML

Type: AWS::Comprehend::Flywheel
Properties:
  ActiveModelArn: String
  DataAccessRoleArn: String
  DataLakeS3Uri: String
  DataSecurityConfig: 
    DataSecurityConfig
  FlywheelName: String
  ModelType: String
  Tags: 
    - Tag
  TaskConfig: 
    TaskConfig

Properties

ActiveModelArn

The Amazon Resource Number (ARN) of the active model version.

Required: No

Type: String

Pattern: arn:aws(-[^:]+)?:comprehend:[a-zA-Z0-9-]*:[0-9]{12}:(document-classifier|entity-recognizer)/[a-zA-Z0-9](-*[a-zA-Z0-9])*(/version/[a-zA-Z0-9](-*[a-zA-Z0-9])*)?

Maximum: 256

Update requires: No interruption

DataAccessRoleArn

The Amazon Resource Name (ARN) of the IAM role that grants Amazon Comprehend permission to access the flywheel data.

Required: Yes

Type: String

Pattern: arn:aws(-[^:]+)?:iam::[0-9]{12}:role/.+

Minimum: 20

Maximum: 2048

Update requires: No interruption

DataLakeS3Uri

Amazon S3 URI of the data lake location.

Required: Yes

Type: String

Pattern: s3://[a-z0-9][\.\-a-z0-9]{1,61}[a-z0-9](/.*)?

Maximum: 512

Update requires: Replacement

DataSecurityConfig

Data security configuration.

Required: No

Type: DataSecurityConfig

Update requires: No interruption

FlywheelName

Name for the flywheel.

Required: Yes

Type: String

Pattern: ^[a-zA-Z0-9](-*[a-zA-Z0-9])*$

Minimum: 1

Maximum: 63

Update requires: Replacement

ModelType

Model type of the flywheel's model.

Required: No

Type: String

Allowed values: DOCUMENT_CLASSIFIER | ENTITY_RECOGNIZER

Update requires: Replacement

Tags

Tags associated with the endpoint being created. A tag is a key-value pair that adds metadata to the endpoint. For example, a tag with "Sales" as the key might be added to an endpoint to indicate its use by the sales department.

Required: No

Type: Array of Tag

Update requires: No interruption

TaskConfig

Configuration about the model associated with a flywheel.

Required: No

Type: TaskConfig

Update requires: Replacement

Return values

Ref

When you pass the logical ID of this resource to the intrinsic Ref function, Ref returns the Amazon Resource Name (ARN) of the flywheel.

For more information about using the Ref function, see Ref.

Fn::GetAtt

The Fn::GetAtt intrinsic function returns a value for a specified attribute of this type. The following are the available attributes and sample return values.

For more information about using the Fn::GetAtt intrinsic function, see Fn::GetAtt.

Arn

The Amazon Resource Name (ARN) of the flywheel.